Table 4.
ROC analysis of the significant quantitative parameters to identify EGFR mutation
| 95% CI | ||||||||
|---|---|---|---|---|---|---|---|---|
| Parameters | Cutoff value | AUC | Lower | Upper | Sensitivity (%) | Specificity (%) | +LR | −LR |
| SUVmax | 11.19 | 0.629 | 0.535 | 0.723 | 41.5 | 82.4 | 1.41 | 0.42 |
| SUVmean | 6.06 | 0.632 | 0.538 | 0.726 | 52.3 | 71.6 | 1.50 | 0.54 |
| SUVpeak | 6.92 | 0.622 | 0.527 | 0.717 | 58.5 | 66.2 | 1.59 | 0.58 |
| SUVratio | 6.75 | 0.626 | 0.532 | 0.721 | 43.1 | 85.1 | 1.50 | 0.35 |
AUC, area under the curve; CI, confidence interval; LR, likelihood ratio; ROC, receiver operating characteristic; SUV, standardized uptake value.